* {
	margin: 0px;
	padding: 0px;
}

#bijiben {
	background-color: #111111;
}

#bijiben h1 {
	color: #0f0;
}

#oooo .col-md-4 {
	background-color: #292929;
	margin: 15px 30px 15px 30px;
	width: 315px;
	height: 250px;
}

#kkkk {
	height: 580px;
	background-image: url(../image/notebook/4.jpg);
	background-size: cover;
	-webkit-background-size: cover;
	-o-background-size: cover;
	background-position: center 0;
}
#llll {
	height: 580px;
	background-image: url(../image/notebook/5.jpg);
	background-size: cover;
	-webkit-background-size: cover;
	-o-background-size: cover;
	background-position: center 0;
}
#gggg {
	height: 580px;
	background-image: url(../image/notebook/6.jpg);
	background-size: cover;
	-webkit-background-size: cover;
	-o-background-size: cover;
	background-position: center 0;
}
#ffff {
	height: 580px;
	background-image: url(../image/notebook/7.jpg);
	background-size: cover;
	-webkit-background-size: cover;
	-o-background-size: cover;
	background-position: center 0;
}